e-STUDIO556/656/756/856(Ver03) © 2012 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
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8.3.14 Service call for others
[C360] Wire cleaner drive motor abnormality
(1) Check if the main charger is not disconnected.
(2) Check if the wire cleaner drive motor is driving.
(3) Is the wire cleaner position detection switch working?
(4) Replace the LGC board.
[C370] Transfer belt cam motor abnormality
(1) Is the transport belt unit working normally? (there is no extraneous material or toner clod).
(2) Check if the connector of the transfer belt cam motor is not disconnected.
(3) Check if the connector CN335 on the LGC board is disconnected.
(4) Check if the fuse on the LVPS has blown.
(5) Check if the transfer belt release detection sensor and transfer belt contact detection sensor is
working properly.
(6) Replace the transfer belt cam motor.
(7) Replace the LGC board.
[C5A1] NVRAM data abnormality (LGC board)
(1) Check if the NVRAM has been installed properly.
(2) Check if the conductor patterns on the NVRAM is short circuited or open circuited.
(3) Replace the NVRAM.
(4) Replace the LGC board.
[C940] Engine-CPU is abnormality
[C970] High-voltage transformer leakage abnormality
(1) Is the main charger installed securely?
(2) Check if the spring of high-voltage supply contact point is deformed.
(3) Check if the main charger wire is broken or the main charger grid is deformed.
(4) Check if any foreign matters is on the main charger win or the main charger grid.
(5) Replace the High-voltage transformer.
(6) Replace the LGC board.
Is the “Call for Service” displayed even after the power is turned OFF and back ON?
NO Leave it and see what happens.
YES
1. Check if the circuit pattern between the Engine-CPU and FROM is short circuited or
open circuited.
2. Replace the LGC board if this error occurs frequently.
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